From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56D41186A for ; Thu, 7 Aug 2025 03:44:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754538276; cv=none; b=psniNY4f5rsiM0eLzc1tKqnFKjnZRndugb4ufr+rkmKsJPvV2kGXfljjz9QPy9XR/d72/BHEpVi57/UAw98f2qxl1/Tq+ODHUg2/mTV6PHGW/E9/8eeP6zR1kcz9zDya2xC2JAa0Ng6mXITTb2OHEyKKz1tnSeqasd8pv8xk/Ks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754538276; c=relaxed/simple; bh=wEvfAKF/3NSsr73063CrW5TTMj0h+Q68zwps29ODFAU=; h=Date:To:From:Subject:Message-Id; b=BjjhmQFC0s7m8XdXFy4m0oL/3iCYrwWAAHVXQKEesGYDgoC4DDnfF1sw8kHlS/Ylg2NxnkAsSEYLYfsV5oQegQEYUsI0skOp6o3kvT+6FJn+1G37sliYrZ8Z7FQ/BIxalBvIdP1z6Bp31Evs7DTmqI2YtrZx6OsCTXP1EJ6fLFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=DwHeEtTL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="DwHeEtTL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD1F3C4CEF4; Thu, 7 Aug 2025 03:44:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1754538275; bh=wEvfAKF/3NSsr73063CrW5TTMj0h+Q68zwps29ODFAU=; h=Date:To:From:Subject:From; b=DwHeEtTLl7TbxdmIBkZubGGHeuWhSgmVEGRqADHvs8sDAdY2RsVlSRrGy+Gp4mTI+ PP6RYNrcYK1sm3bcK6VbfbgYZ66O22k0aBYcMR6jKmHcejUPlM+JUe2FLpMQekwZ2z KPhKRuBwuVR4W8CrWcrYJ9DsEnubBj1ZoyKgAuhk= Date: Wed, 06 Aug 2025 20:44:35 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,vbabka@suse.cz,surenb@google.com,sidhartha.kumar@oracle.com,shuah@kernel.org,ryan.roberts@arm.com,rppt@kernel.org,peterx@redhat.com,paul.walmsley@sifive.com,palmer@dabbelt.com,npache@redhat.com,mhocko@suse.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,leon@kernel.org,jhubbard@nvidia.com,jgg@ziepe.ca,dev.jain@arm.com,david@redhat.com,baolin.wang@linux.alibaba.com,baohua@kernel.org,aou@eecs.berkeley.edu,alex@ghiti.fr,usama.anjum@collabora.com,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-mm-add-wunused-family-of-flags.patch added to mm-new branch Message-Id: <20250807034435.CD1F3C4CEF4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: selftests/mm: add -Wunused family of flags has been added to the -mm mm-new branch. Its filename is selftests-mm-add-wunused-family-of-flags.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-add-wunused-family-of-flags.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Muhammad Usama Anjum Subject: selftests/mm: add -Wunused family of flags Date: Thu, 31 Jul 2025 21:01:28 +0500 Add -Wunused family of flags and fix all the warnings coming because of argc and argv. Remove them if they aren't being used entirely. Use __unused compiler attribute with argc where argv is being used. Link: https://lkml.kernel.org/r/20250731160132.1795351-5-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum Cc: Albert Ou Cc: Alexandre Ghiti Cc: Baolin Wang Cc: Barry Song Cc: David Hildenbrand Cc: Dev Jain Cc: Jason Gunthorpe Cc: John Hubbard Cc: Leon Romanovsky Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Mariano Pache Cc: Michal Hocko Cc: Mike Rapoport Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Xu Cc: Ryan Roberts Cc: Shuah Khan Cc: Sidhartha Kumar Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Zi Yan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/Makefile | 2 +- tools/testing/selftests/mm/compaction_test.c | 2 +- tools/testing/selftests/mm/cow.c | 2 +- tools/testing/selftests/mm/droppable.c | 2 +- tools/testing/selftests/mm/gup_longterm.c | 2 +- tools/testing/selftests/mm/hugepage-vmemmap.c | 2 +- tools/testing/selftests/mm/hugetlb-madvise.c | 2 +- tools/testing/selftests/mm/hugetlb-soft-offline.c | 2 +- tools/testing/selftests/mm/madv_populate.c | 2 +- tools/testing/selftests/mm/map_populate.c | 2 +- tools/testing/selftests/mm/memfd_secret.c | 2 +- tools/testing/selftests/mm/mlock-random-test.c | 2 +- tools/testing/selftests/mm/mlock2-tests.c | 2 +- tools/testing/selftests/mm/on-fault-limit.c | 2 +- tools/testing/selftests/mm/pkey_sighandler_tests.c | 2 +- tools/testing/selftests/mm/soft-dirty.c | 2 +- tools/testing/selftests/mm/uffd-wp-mremap.c | 2 +- tools/testing/selftests/mm/virtual_address_range.c | 2 +- 18 files changed, 18 insertions(+), 18 deletions(-) --- a/tools/testing/selftests/mm/compaction_test.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/compaction_test.c @@ -203,7 +203,7 @@ int set_zero_hugepages(unsigned long *in return ret; } -int main(int argc, char **argv) +int main(void) { struct rlimit lim; struct map_list *list = NULL, *entry; --- a/tools/testing/selftests/mm/cow.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/cow.c @@ -1857,7 +1857,7 @@ static int tests_per_non_anon_test_case( return tests; } -int main(int argc, char **argv) +int main(void) { struct thp_settings default_settings; --- a/tools/testing/selftests/mm/droppable.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/droppable.c @@ -15,7 +15,7 @@ #include "../kselftest.h" -int main(int argc, char *argv[]) +int main(void) { size_t alloc_size = 134217728; size_t page_size = getpagesize(); --- a/tools/testing/selftests/mm/gup_longterm.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/gup_longterm.c @@ -504,7 +504,7 @@ static int tests_per_test_case(void) return 3 + nr_hugetlbsizes; } -int main(int argc, char **argv) +int main(void) { int i; --- a/tools/testing/selftests/mm/hugepage-vmemmap.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/hugepage-vmemmap.c @@ -87,7 +87,7 @@ static int check_page_flags(unsigned lon return 0; } -int main(int argc, char **argv) +int main(void) { void *addr; unsigned long pfn; --- a/tools/testing/selftests/mm/hugetlb-madvise.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/hugetlb-madvise.c @@ -57,7 +57,7 @@ void read_fault_pages(void *addr, unsign } } -int main(int argc, char **argv) +int main(int __unused argc, char **argv) { unsigned long free_hugepages; void *addr, *addr2; --- a/tools/testing/selftests/mm/hugetlb-soft-offline.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/hugetlb-soft-offline.c @@ -216,7 +216,7 @@ static void test_soft_offline_common(int enable_soft_offline); } -int main(int argc, char **argv) +int main(void) { ksft_print_header(); ksft_set_plan(2); --- a/tools/testing/selftests/mm/madv_populate.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/madv_populate.c @@ -281,7 +281,7 @@ static int system_has_softdirty(void) #endif } -int main(int argc, char **argv) +int main(void) { int nr_tests = 16; int err; --- a/tools/testing/selftests/mm/Makefile~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/Makefile @@ -20,7 +20,6 @@ endif # thus tricking Make (and you!) into believing that All Is Well, in subsequent # make invocations: .DELETE_ON_ERROR: - # Avoid accidental wrong builds, due to built-in rules working just a little # bit too well--but not quite as well as required for our situation here. # @@ -35,6 +34,7 @@ MAKEFLAGS += --no-builtin-rules CFLAGS = -Wall -O2 -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) $(TOOLS_INCLUDES) CFLAGS += -Wunreachable-code +CFLAGS += -Wunused -Wunused-parameter -Wunused-function -Wunused-label -Wunused-variable -Wunused-value LDLIBS = -lrt -lpthread -lm # Some distributions (such as Ubuntu) configure GCC so that _FORTIFY_SOURCE is --- a/tools/testing/selftests/mm/map_populate.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/map_populate.c @@ -76,7 +76,7 @@ static int child_f(int sock, unsigned lo return ksft_cnt.ksft_pass; } -int main(int argc, char **argv) +int main(void) { int sock[2], child, ret; FILE *ftmp; --- a/tools/testing/selftests/mm/memfd_secret.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/memfd_secret.c @@ -299,7 +299,7 @@ static void prepare(void) #define NUM_TESTS 6 -int main(int argc, char *argv[]) +int main(void) { int fd; --- a/tools/testing/selftests/mm/mlock2-tests.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/mlock2-tests.c @@ -425,7 +425,7 @@ static void test_mlockall(void) munlockall(); } -int main(int argc, char **argv) +int main(void) { int ret, size = 3 * getpagesize(); void *map; --- a/tools/testing/selftests/mm/mlock-random-test.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/mlock-random-test.c @@ -236,7 +236,7 @@ static void test_mlock_outof_limit(char ksft_test_result_pass("%s\n", __func__); } -int main(int argc, char **argv) +int main(void) { char *p = NULL; --- a/tools/testing/selftests/mm/on-fault-limit.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/on-fault-limit.c @@ -28,7 +28,7 @@ static void test_limit(void) munlockall(); } -int main(int argc, char **argv) +int main(void) { ksft_print_header(); ksft_set_plan(1); --- a/tools/testing/selftests/mm/pkey_sighandler_tests.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/pkey_sighandler_tests.c @@ -528,7 +528,7 @@ static void (*pkey_tests[])(void) = { test_pkru_sigreturn }; -int main(int argc, char *argv[]) +int main(void) { int i; --- a/tools/testing/selftests/mm/soft-dirty.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/soft-dirty.c @@ -194,7 +194,7 @@ static void test_mprotect_file(int pagem test_mprotect(pagemap_fd, pagesize, false); } -int main(int argc, char **argv) +int main(void) { int pagemap_fd; int pagesize; --- a/tools/testing/selftests/mm/uffd-wp-mremap.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/uffd-wp-mremap.c @@ -334,7 +334,7 @@ static const struct testcase testcases[] }, }; -int main(int argc, char **argv) +int main(void) { struct thp_settings settings; int i, j, plan = 0; --- a/tools/testing/selftests/mm/virtual_address_range.c~selftests-mm-add-wunused-family-of-flags +++ a/tools/testing/selftests/mm/virtual_address_range.c @@ -200,7 +200,7 @@ static int validate_complete_va_space(vo return 0; } -int main(int argc, char *argv[]) +int main(void) { char *ptr[NR_CHUNKS_LOW]; char **hptr; _ Patches currently in -mm which might be from usama.anjum@collabora.com are selftests-mm-add-wunreachable-code-and-fix-warnings.patch selftests-mm-protection_keys-fix-dead-code.patch selftests-kselftesth-add-__unused-macro.patch selftests-mm-add-wunused-family-of-flags.patch selftests-mm-remove-unused-parameters.patch selftests-mm-mark-unused-arguments-with-__unused.patch selftests-mm-mark-unused-arguments-with-__unused-2.patch selftests-mm-fix-unused-parameter-warnings-for-different-architectures.patch